Polymers: Engineering

Small molecules that make up larger molecules.

• monomer
• polymer
• synthetic
• plastic

Once formed, it can be heated and reformed   Over and over again

• Thermoplastic
• Thermoset
• Linear
• Branched

It cannot be re-melted. Once re-heated they will burn.

• Thermoplastic
• Thermoset
• Linear
• Branched

Thermoplastics can be reshaped

• True

• False

Thermoplastics makes recycling easy

• true

• false

Which of the following Plastics are thermoset plastics? (Select 2)

• Epoxy Resin

• ABS (Acryonitrile, butadiene, styrene)

• Polypropylene

• melamine formaldehyde

• Nylon

Which of the following Plastics are thermoplastics? (Select 3)

• Epoxy Resin

• ABS (Acryonitrile, butadiene, styrene)

• Polypropylene

• melamine formaldehyde

• Nylon

Which of the following thermoset plastics is suitable for Worktops, electrical insulation, buttons on clothing, tableware?

• Epoxy Resin

• Melamine formaldehyde

• Polyester Resin

• Urea Formaldehyde

Which of the following thermoset plastics is suitable for Electrical fittings, paper and textile coatings, wood adhesive?

• Epoxy Resin

• Melamine formaldehyde

• Polyester Resin

• Urea Formaldehyde

Which of the following plastics could be used to make casings and helmets.

• ABS

• Polypropylene

• Nylon

• polystyrene